<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"> 
<title>首页</title>
<link rel="stylesheet" href="index.css" media="all" />
<script src="index.js"></script>	
</head>

<body>
<img src="logo.jpg"/>
<h1>CSS font-family</h1>
<p class="serif">这一段的字体是 Times New Roman </p>
<p class="sansserif">这一段的字体是 Arial.</p>
<p id="demo">这是一个段落</p>
<button type="button" onclick="displayDate()">显示日期</button>

<a href="down.rar" target="_blank">文件下载</a>
</body>
</html>